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An Initiative for Standardized Geospatial Formats Optimized for Mobile

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1 An Initiative for Standardized Geospatial Formats Optimized for Mobile
GeoPackage: An Initiative for Standardized Geospatial Formats Optimized for Mobile US Army Geospatial Center April 11, 2012

2 What is GeoPackage? A single container for the storage and use of vector, raster, and tiled caches. Available for use on a variety of mobile platforms. Described by a manifest. Defined by an open standard, free of license.

3 Introductions Kevin Mullane – U.S. Army Corps of Engineers, U.S. Army Geospatial Center (AGC) Paul Daisey – Image Matters LLC, Contract Support to the AGC Image Matters LLC is a software technology and professional services company that produces software products, develops advanced technology solutions, and provides consulting services to government and commercial clients.

4 Purpose and Motivation
To introduce the GeoPackage concept to the open source community. Motivation: GeoPackage responds to the need among government and non-government organizations to maintain situational awareness when constrained by limited or non-existent power or bandwidth. Involvement of the broader community is sought so as to converge on an open solution.

5 Today Effective coordinated large scale collaboration in military, homeland security, and disaster management relies upon the sharing of geospatial information. An explosion of map applications for mobile handheld devices has resulted in a variety of incompatible data formats and interfaces. No existing standard simplifies the provisioning of all types of geospatial data on assorted makes of mobile handheld devices.

6 Objectives Enable the distribution of packaged tile caches, raster, vector and descriptive data in an immediately useable form. Realize capability from existing off-the-shelf solutions including commercial and open source software. Engage developer community through appropriate forums to arrive at non-proprietary solution.

7 Initial Use Case: Fixed Product Distribution
Geospatial information is collected, processed, analyzed, exploited, and packaged as data products in enterprise server environments Distribution of the geospatial foundation by networked server or removable media Products shareable throughout organizational levels and among all participants GeoPackage stored once per platform to support multiple applications

8 Additional Potential:
Local Data Collection Collection of observations Sharing of collected observations Geospatially Enabled Analytics Geocoding/reverse geocoding, Mobility analysis, Visibility analysis, and much more

9 Initial GeoPackage Requirements
Manifest Single self-describing file container to facilitate management and distribution Tile Cache JPEG and PNG Tiles Multiple Tile Matrices Vector Simple Geographic Features Support direct access and update by apps

10 Subsequent GeoPackage Requirements
Raster Support “raw” raster formats for visualization and analysis Elevation Data Coverages Routes Web Services for creation, management and distribution Potential Manifest Extensions? Metadata OGC Web Services (WMS, WMC, WFS, WCS) Other Web Services (OpenStreetMap) What else?

11 GeoPackage Web Service CONOPS

12 Current Plan Identify, prototype, test and specify mechanisms for mobile geospatial data storage, transfer and use to meet identified requirements Base the solution on existing consensus standards, other open specifications and existing technologies; don’t (re)invent unless absolutely necessary Do this through an open public collaborative process involving key stakeholders in both the development and user communities Demonstrate interoperability between key stakeholders Gain approval of a consensus GeoPackage specification Achieve widespread commercial and open-source GeoPackage implementation In a one-year time frame

13 Standards / Technologies Base
ISO/IEC 9075:1992 Information Technology - Database Language SQL OGC r4 OpenGIS® Implementation Standard for Geographic information - Simple feature access - Part 1: Common architecture Version: OGC r4 OpenGIS® Implementation Standard for Geographic information - Simple feature access - Part 2: SQL option Version: Portable Network Graphics ITU-T Recommendation T.81 (09/92) with Corrigendum (JPEG) OGC r9 OGC Web Services Common Standard Version: (Manifest) https://www.gaia-gis.it/fossil/libspatialite/index https://github.com/mapbox/mbtiles-spec

14 Summary GeoPackage will meet a recognized need.
An open specification is in the best interest of the community. Collaboration is believed to be the most effective way forward. Your participation is encouraged and welcome.

15 Public Collaboration Process
Google Groups https://groups.google.com/forum/?hl=en&fromgroups#!forum/geospatial-mobile-data-format-for-tiles https://groups.google.com/forum/?hl=en&fromgroups#!forum/geospatial-mobile-data-format-for-vectors Repository TBD

16 Contacts Nathan Frantz 703-428-6919 Nathan.P.Frantz@usace.army.mil
Kevin Backe Paul Daisey Kevin Mullane


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